1. Tswj qauv. Saib seb cov xim thiab cov qauv sib phim cov qauv;
2. Yuav tsum tsis muaj kab nrib pleb, notches, unevenness thiab pom tseeb khawb ntawm qhov chaw;
3. Tsis muaj tsheb tawg thiab npuas ntawm lub ntsej muag thiab nraub qaum; tsis muaj rotten npoo thiab tsis sib xws;
4. Cov qauv yuav tsum tsis muaj qhov pom tseeb deformation, tsis muaj qhov muag dawb, lub voj voog dawb thiab lwm yam tshwm sim;
5. Buttonholes yuav tsum du thiab tsis muaj kev cuam tshuam; koob qhov yog tag nrho cov hnav thiab tawg, symmetrical thiab tsis muaj qhov muag loj. Yog tias nws yog lub qhov muag tsaus nti, qhov muag tsaus nti zawj yuav tsum du yam tsis muaj qhov pom tseeb tawg.
6. Cov xim sib txawv ntawm cov nyees khawm nyob rau hauv tib batch yuav tsum tsis txhob qis dua GB250 qib 4 tus qauv, thiab muab piv nrog cov qauv tuaj, nws yuav tsum tsis txhob qis dua GB250 qib 3 tus qauv.
7. Kev tshuaj xyuas lub ntim, tom qab kev tshuaj ntsuam xyuas yog txhua yam tsim nyog, nws yuav muab faib ua ntim. Daim ntawv pov thawj ntawm kev sib raug zoo lossis lwm cov ntawv sau yuav tsum muab tso rau hauv lub ntim. Tus naj npawb ntawm cov pob yuav tsum ua raws li cov cai, thiab tus naj npawb ntawm txhua lub hnab yuav tsum ua raws li tus lej teev. Yog tias nws pom tias cov thickness ntau dua qhov kam rau ua vim qhov sib txawv thicknesses lossis lwm yam laj thawj, yuav tsum tau kuaj xyuas tag nrho.
